620 LAND AND PEESH-WATER MOLLUSCA OF NEW ZEALAND, 



Bot. Gesellsch. Wien, xiii. p. 1022, xv. p. 526, pi. viii. ; Voy. 

 Erebus and Terror, ii. Moll. p. 3, pi. i. f. 19 (two figures); Man. 

 N.Z. Moll. p. 81 ; Trans. N.Z. Inst. xiv. p. 145, pi. i. S. c, i (3 

 figs, shell), 2 (operculum), G (radula), &c. 

 Hab. — North and South Islands. 



6. P. PUPOiDES, Hutton, 1882. 



Ref.— Trans. N.Z. Inst. xiv. p. 146, pi. i. f. d (shell), f. h 

 (radula). 



Hab. — North and South Islands, brackish water only. Avon 

 (Hutton). 



Suborder PNEUMONOCHLAMYDA. 



Fam. Cyclophorid.e. 



DiPLOMMATiNA,* Benson, 1849. 

 Benson, Ann. Mag. Nat. Hist. (2), iv. p. 193. 



7 D. CHORD ATA, PfeiflTer, 1855. 



Ref.— P.Z.S. 1855, p. 105; Man. N.Z. Moll. p. 38; Trans. 

 N.Z. Inst. xvi. p. 210, &e, 



Hab. — New Zealand (Strange fide Cuming). 



Subgenus Paxillus, H. & A. Adams, 1851, 

 H, &, A. Adams, Ann. Mag. Nat. Hist. (2) vii. p. 63. 



8 D. PEREGRiNA, Gould, sp. 1848. 



Ref.— Proc. Boston Soc. N.H. ii. p. 198; U.S. Expl. Exped. 

 xii. p. 91, f. 105, a, b ; Man. N.Z. Moll. p. 38 ; Trans. N.Z. Inst, 

 xvi. p. 210, &c. 



Hab.— New Zealand (U.S. Expl. Exped.). 



Note. — Like the foregoing this species has not been found 

 again. 



* The existence in N.Z. of this genus requires confirmation. 



